diff --git a/lib/views.ml b/lib/views.ml
index 9e5ae72..104fac4 100644
--- a/lib/views.ml
+++ b/lib/views.ml
@@ -848,7 +848,7 @@ let compare_builds
     ~(build_right : Builder_db.Build.t)
     ~env_diff:(added_env, removed_env, changed_env)
     ~pkg_diff:(added_pkgs, removed_pkgs, changed_pkgs)
-    ~opam_diff:(same, opam_diff, version_diff, left, right)
+    ~opam_diff:(opam_diff, version_diff, left, right)
   =
   layout
     ~nav:(`Comparison ((job_left, build_left), (job_right, build_right)))
@@ -902,10 +902,6 @@ let compare_builds
             [txtf "%d opam packages with changes in their opam file"
                (List.length opam_diff)]
         ];
-        H.li [
-          H.a ~a:H.[a_href "#opam-packages-unchanged"]
-            [txtf "%d opam packages unchanged" (OpamPackage.Set.cardinal same)]
-        ];
         H.li [
           H.a ~a:H.[a_href "#env-added"]
             [ txtf "%d environment variables added" (List.length added_env)]
@@ -943,9 +939,6 @@ let compare_builds
       H.h3 ~a:H.[a_id "opam-packages-opam-diff"]
         [H.txt "Opam packages with changes in their opam file"]] @
       opam_diffs opam_diff @ [
-        H.h3 ~a:H.[a_id "opam-packages-unchanged"]
-          [H.txt "Unchanged opam packages"];
-        H.code (packages same);
         H.h3 ~a:H.[a_id "env-added"] [H.txt "Environment variables added"];
         H.code (key_values added_env);
         H.h3 ~a:H.[a_id "env-removed"] [H.txt "Environment variables removed"];
diff --git a/opamdiff/opamdiff.ml b/opamdiff/opamdiff.ml
index 430f7b3..097bc9f 100644
--- a/opamdiff/opamdiff.ml
+++ b/opamdiff/opamdiff.ml
@@ -102,12 +102,12 @@ let compare left right =
       l
   in
   let same_version = Set.inter packages_left packages_right in
-  let (same, opam_diff) =
-    Set.partition
+  let opam_diff =
+    Set.filter
       (fun p ->
          let find = OpamPackage.Name.Map.find p.name in
          let opam_left = find left.overlays and opam_right = find right.overlays in
-         OpamFile.OPAM.effectively_equal opam_left opam_right)
+         not (OpamFile.OPAM.effectively_equal opam_left opam_right))
       same_version
   and version_diff =
     List.filter_map (fun p1 ->
@@ -126,4 +126,4 @@ let compare left right =
   and right_pkgs = diff packages_right packages_left
   in
   let opam_diff = detailed_opam_diffs left right opam_diff in
-  (same, opam_diff, version_diff, left_pkgs, right_pkgs)
+  (opam_diff, version_diff, left_pkgs, right_pkgs)